Postgres Pro
Downloads
Home   >   mailing lists

Re: [PATCH] Identify LWLocks in tracepoints - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: [PATCH] Identify LWLocks in tracepoints
Date
Msg-id 163da66f-b535-a7ab-c276-153c410a5ab2@enterprisedb.com
Whole thread Raw
In response to Re: [PATCH] Identify LWLocks in tracepoints  (Craig Ringer <craig.ringer@enterprisedb.com>)
Responses Re: [PATCH] Identify LWLocks in tracepoints  (Craig Ringer <craig.ringer@enterprisedb.com>)
List pgsql-hackers
Tree view 
On 20.03.21 01:29, Craig Ringer wrote:
>     There is already support for that.  See the documentation at the end of
>     this page:
>     https://www.postgresql.org/docs/devel/dynamic-trace.html#DEFINING-TRACE-POINTS
>     <https://www.postgresql.org/docs/devel/dynamic-trace.html#DEFINING-TRACE-POINTS>
> 
> 
> Pretty sure it won't work right now.
> 
> To use systemtap semaphores (the _ENABLED macros) you need to run dtrace 
> -g to generate a probes.o then link that into postgres.
> 
> I don't think we do that. I'll double check soon.

We do that.  (It's -G.)

pgsql-hackers by date:

Previous
From: Markus Wanner
Date:
Subject: Re: [PATCH] Provide more information to filter_prepare
Next
From: Konstantin Knizhnik
Date:
Subject: Re: Built-in connection pooler